Related Clues:

• Short on punch
• Needing iron in one's diet, perhaps
• Lacking iron
• Needing iron
• Far from energetic
• Easily exhausted
• Hemoglobin-deficient
• Lacking vim
• Iron-deficient, maybe
• Far from vigorous
• In need of iron pills
• Not at all vigorous
• Short on strength
• Short on iron, maybe
• Low on energy